FilesTest.java

/**
 * OpenSpotLight - Open Source IT Governance Platform
 *
 * Copyright (c) 2009, CARAVELATECH CONSULTORIA E TECNOLOGIA EM INFORMATICA LTDA
 * or third-party contributors as indicated by the @author tags or express
 * copyright attribution statements applied by the authors.  All third-party
 * contributions are distributed under license by CARAVELATECH CONSULTORIA E
 * TECNOLOGIA EM INFORMATICA LTDA.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU Lesser General Public License  for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 *
 ***********************************************************************
 * OpenSpotLight - Plataforma de Governança de TI de Código Aberto
 *
 * Direitos Autorais Reservados (c) 2009, CARAVELATECH CONSULTORIA E TECNOLOGIA
 * EM INFORMATICA LTDA ou como contribuidores terceiros indicados pela etiqueta
 * @author ou por expressa atribuição de direito autoral declarada e atribuída pelo autor.
 * Todas as contribuições de terceiros estão distribuídas sob licença da
 * CARAVELATECH CONSULTORIA E TECNOLOGIA EM INFORMATICA LTDA.
 *
 * Este programa é software livre; você pode redistribuí-lo e/ou modificá-lo sob os
 * termos da Licença Pública Geral Menor do GNU conforme publicada pela Free Software
 * Foundation.
 *
 * Este programa é distribuído na expectativa de que seja útil, porém, SEM NENHUMA
 * GARANTIA; nem mesmo a garantia implícita de COMERCIABILIDADE OU ADEQUAÇÃO A UMA
 * FINALIDADE ESPECÍFICA. Consulte a Licença Pública Geral Menor do GNU para mais detalhes.
 *
 * Você deve ter recebido uma cópia da Licença Pública Geral Menor do GNU junto com este
 * programa; se não, escreva para:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */

package org.openspotlight.common.util.test;

import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import static org.openspotlight.common.util.Files.delete;
import static org.openspotlight.common.util.Files.listFileNamesFrom;
import static org.openspotlight.common.util.Files.readBytesFromStream;
import static org.openspotlight.common.util.Strings.removeBegginingFrom;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Set;

import org.junit.Before;
import org.junit.Test;
import org.openspotlight.common.util.Files;

/**
 * Test class for {@link Files}
 * 
 * @author Luiz Fernando Teston - feu.teston@caravelatech.com
 */
@SuppressWarnings("all")
public class FilesTest {

    private static String __LOWEST_PATH      = "./target/test-data/FilesTest/";               //$NON-NLS-1$
    private static String _LOWER_PATH        = __LOWEST_PATH + "resources/testData/";         //$NON-NLS-1$
    private static String _TEST_DIR          = _LOWER_PATH + "SomeOtherDir/anotherDir/";      //$NON-NLS-1$

    private static String _TEST_FILE         = _TEST_DIR + "temp.txt";                        //$NON-NLS-1$

    private static String RELATIVE_PATH_FILE = removeBegginingFrom(__LOWEST_PATH, _TEST_FILE);

    @SuppressWarnings("boxing")
    @Before
    public void createSomeTestData()
        throws Exception {
        final File dir = new File(_TEST_DIR);
        final File file = new File(_TEST_FILE);

        dir.mkdirs();
        file.createNewFile();

        assertThat(dir.exists(), is(true));
        assertThat(file.exists(), is(true));

    }

    @SuppressWarnings("boxing")
    @Test
    public void shouldDeleteValidDirs()
        throws Exception {
        delete(_LOWER_PATH);
        assertThat(new File(_LOWER_PATH).exists(), is(false));
    }

    @SuppressWarnings("boxing")
    @Test
    public void shouldDeleteValidFiles()
        throws Exception {
        delete(_TEST_FILE);
        assertThat(new File(_TEST_FILE).exists(), is(false));
    }

    @SuppressWarnings("boxing")
    @Test
    public void shouldListFileNamesInARecursiveWay()
        throws Exception {
        final Set<String> fileNames = listFileNamesFrom(__LOWEST_PATH, false);
        final String completePath = Files.getNormalizedFileName(new File(__LOWEST_PATH + RELATIVE_PATH_FILE));
        assertThat(fileNames.contains(completePath), is(true));
    }

    @Test
    public void shouldReturnEmptySetWhenGettingInvalidFileWithSilentActivated()
        throws Exception {
        final Set<String> result = listFileNamesFrom("invalid base path", true); //$NON-NLS-1$
        assertThat(result.size(), is(0));
    }

    @Test(expected = IllegalStateException.class)
    public void shouldThrowExceptionWhenGettingInvalidFile()
        throws Exception {
        listFileNamesFrom("invalid base path", false); //$NON-NLS-1$
    }

    @SuppressWarnings("boxing")
    @Test
    public void shouldWriteByteArrayFromStream()
        throws Exception {
        final byte[] initialContent = "initialContent".getBytes(); //$NON-NLS-1$
        final InputStream is = new ByteArrayInputStream(initialContent);
        final byte[] readedContent = readBytesFromStream(is);
        assertThat(Arrays.equals(initialContent, readedContent), is(true));
    }

}